package 核心API的使用;

import java.io.*;
import java.net.Socket;

public class TCPClient {
    public static void main(String[] args) {
        try {
            Socket socket = new Socket("127.0.0.1",4700);
            BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));
            String line = sin.readLine();

            DataInputStream is = new DataInputStream(socket.getInputStream());
            DataOutputStream os = new DataOutputStream(socket.getOutputStream());

            os.writeUTF(line);
            os.flush();

            System.out.println("Server:"+is.readUTF());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}